Boehringer Ingelheim Enters Clinical Collaboration with Amgen to Study BI 1701963, a SOS1::pan-KRAS Inhibitor, in Combination with LUMAKRAS™ (sotorasib), a KRASG12C Inhibitor INGELHEIM, Germany–(BUSINESS WIRE)–Boehringer Ingelheim today announced a clinical phase I collaboration with Amgen to evaluate the combination of BI 1701963, the first and most advanced SOS1…